短語(yǔ)詞組短語(yǔ)parabolic c mirror 拋物面鏡parabolic mirror control 拋物柱面鏡控制axis parabolic mirror 離軸拋物面反射鏡rigid parabolic mirror 剛性?huà)佄锩娣瓷溏Roff -axis s parabolic mirror 離軸拋物面反射鏡 返回 parabolic mirror